Hey Guys,
I bought an AMMO inrunner brushless 36-40-3900Kv by Electrifly. The recommended input voltage is 14.8 - 18.5 and they suggest a prop between 9x6E and 10x7E. They also suggested an ESC of 45A. So, first I put a 54A THUNDERBIRD from Castle Creations on it and the thing got so hot that it melted the plastic wrap covering the ESC. Then I went out and got a 90A COMMANDER from Scorpion and it too melted. So now I was thinking of trying the Electrifly Silver Series 60A, which is the ESC recommended for this motor. However, Towerhobbies won't have any available until mid to later December. I can't wait that long, plus I'm thinking I won't have any luck with a 60A any way. As a last ditch effort, I'm thinking of getting the PHOENIX 80A from Castle Creations. If that doesn't work, then I'm trashing the motor.

Any advice as to why these ESCs would get so hot that they melt?

Thanks!
Griff